diff --git a/src/experimental/tri_delaunay.scad b/src/experimental/tri_delaunay.scad
index f92dd818..2670922c 100644
--- a/src/experimental/tri_delaunay.scad
+++ b/src/experimental/tri_delaunay.scad
@@ -1,9 +1,8 @@
 use<experimental/_impl/_tri_delaunay_impl.scad>;
 
 // ret: "TRI_SHAPES", "TRI_INDICES", "DELAUNAY"
-// todo: "VORONOI_SHAPES"
 function tri_delaunay(points, ret = "TRI_SHAPES") = 
     let(d = _tri_delaunay(delaunay_init(points), points, len(points)))
     ret == "TRI_SHAPES" ?  tri_delaunay_shapes(d) : 
     ret == "TRI_INDICES" ? tri_delaunay_indices(d) :
-    d; // [coords(list), triangles(hashmap), circles(hashmap)]
\ No newline at end of file
+    d; // "DELAUNAY": [coords(list), triangles(hashmap), circles(hashmap)]
\ No newline at end of file